Flat keyboard with character symbols



FIG. 1 is a top plan view of a flat keyboard with character symbols;

FIG. 2 is a front view thereof;

FIG. 3 is a right-side view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is an enlarged partial view thereof designated by the dot chain area 7 in FIG. 1; and,

FIG. 8 is an enlarged partial view thereof designated by the dot chain area 8 in FIG. 1.

The remaining broken line disclosure of the keyboard depicts environmental subject matter only and forms no part of the claimed design. 

The ornamental design for a flat keyboard with character symbols, as shown and described. 